
/*
'===============================================================================
'  Generated From - BLL_Component_Partial_Core.vbgen
'  
'  This object is partial class component representing a table in a database. It
'  contains core data access methods. Other partial classes should be used for 
'  implementing custom business logic. This class can be regenerated many times.
'  
'  Do not write custom business logic in this class as it will be overwritten 
'  next time the class is generated.
'
'  Version: 1.0
'  Date:	30/01/06
'  Summary: SelectOne, SelectAll, SelectAllWForeignKey, Insert, Update, Delete,
'  			DeleteAllWForeignKey, class for sorting.
'===============================================================================
*/
using System;
using System.ComponentModel;
using System.Data;
using System.Collections.Generic;

namespace PlacementManager
{
    [DataObjectAttribute]
	public partial class VersionComponent
    {
        
		/// <summary>
        /// Default constructor.
        /// </summary>
		public VersionComponent()
        {

        }
		
		/// <summary>
        /// Selects one record from the database table using the primary key.
        /// </summary>
        /// <returns>An object of a type representing a row in the database table.</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Select, true)]
		public Version SelectOne(int VersionId)
        {  
			PlacementManager.DAL.Version_DAL o = new PlacementManager.DAL.Version_DAL();
			o.VersionId = VersionId;
			DataTable dt = o.SelectOne().Tables[0];
			
			if (dt.Rows.Count > 0)
            {
                DataRow row = dt.Rows[0];
				PlacementManager.Version VersionToReturn = new PlacementManager.Version((int)row["VersionId"], (int)row["VersionNumber"]);
				return VersionToReturn;
			}
			else
			{
				PlacementManager.Version VersionToReturnEmpty = new PlacementManager.Version();
                return VersionToReturnEmpty;
			}
        }
		
		/// <summary>
        /// Selects all records from the database table.
        /// </summary>
        /// <returns>A collection of objects of a type representing a row in the database table.</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Select, true)]
		public List<Version> SelectAll(string sortExpression)
        {
            List<Version> listVersion = new List<Version>();
            PlacementManager.DAL.Version_DAL o = new PlacementManager.DAL.Version_DAL();

            DataSet ds = o.SelectAll();

            foreach (DataRow row in ds.Tables[0].Rows)
            {
                listVersion.Add(new Version((int)row["VersionId"], (int)row["VersionNumber"]));
            }
			
			if (sortExpression == string.Empty)
            {
                sortExpression = "DateCreated desc";
            }

            listVersion.Sort(new VersionComparer(sortExpression));
            return listVersion;
        }
	
		/// <summary>
        /// Selects all records from the database table based on a foreign key.
        /// </summary>
        /// <returns>A collection of objects of a type representing a row in the database table.</returns>


		/// <summary>
        /// Inserts a new row into the datatable.
        /// </summary>
        /// <param name="o">An object of a datatype representing a row in the database table.</param>
        /// <returns>Boolean</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Insert, true)]
		public int Insert(Version o)
        {	
            PlacementManager.DAL.Version_DAL oVersion = new PlacementManager.DAL.Version_DAL();
			oVersion.VersionNumber = o.VersionNumber;

            return oVersion.Insert();
        }
		
		/// <summary>
        /// Inserts a new row into the datatable by passing parameters represneting each column.
        /// </summary>
        /// <returns>Boolean</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Insert, true)]
		public int Insert(int VersionNumber)
        {
            PlacementManager.DAL.Version_DAL oVersion = new PlacementManager.DAL.Version_DAL();

			oVersion.VersionNumber = VersionNumber;

            return oVersion.Insert();
        }

		/// <summary>
        /// Updates a row in the database table based on the primary key.
        /// </summary>
        /// <param name="o">An object of a datatype representing a row in the database table.</param>
        /// <returns>Boolean</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Update, true)]
		public bool Update(Version o)
        {	
            PlacementManager.DAL.Version_DAL oVersion = new PlacementManager.DAL.Version_DAL();
			oVersion.VersionId = o.VersionId;
			oVersion.VersionNumber = o.VersionNumber;

            return oVersion.Update();
        }
		
		/// <summary>
        /// Updates a row in the database table based on the primary key by passing the values of each column as parameters.
        /// </summary>
        /// <returns>Boolean</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Update, true)]
		public bool Update(int VersionId, int VersionNumber)
        {
            PlacementManager.DAL.Version_DAL oVersion = new PlacementManager.DAL.Version_DAL();

			oVersion.VersionId = VersionId;
			oVersion.VersionNumber = VersionNumber;

            return oVersion.Update();
        }
		
		/// <summary>
        /// Deletes one row in the database table.
        /// </summary>
        /// <param name="o">An object of a datatype representing a row in the database table.</param>
        /// <returns>Boolean</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Delete, true)]
		public bool Delete(Version o)
        {
            PlacementManager.DAL.Version_DAL oVersion_DAL = new PlacementManager.DAL.Version_DAL();
            oVersion_DAL.VersionId = o.VersionId;
            return oVersion_DAL.Delete();
        }
		
		/// <summary>
        /// Deletes one row in the database table by passing the primary key.
        /// </summary>
        /// <returns>Boolean</returns>
		[DataObjectMethodAttribute(DataObjectMethodType.Delete, true)]
		public bool Delete(int VersionId)
        {
            PlacementManager.DAL.Version_DAL oVersion_DAL = new PlacementManager.DAL.Version_DAL();
            oVersion_DAL.VersionId = VersionId;
            return oVersion_DAL.Delete();
        }
		
		/// <summary>
		/// Deletes all rows in a table based on a foreign key.
		/// </summary>
		/// <returns>Boolean</returns>

	}
	
	public class VersionComparer : IComparer<Version>
    {
        private string _sortColumn;
        private bool _reverse;

        public VersionComparer(string sortExpression)
        {
            _reverse = sortExpression.ToLowerInvariant().EndsWith(" desc");
            if (_reverse)
            {
                _sortColumn = sortExpression.Substring(0, sortExpression.Length - 5);
            }
            else
            {
                _sortColumn = sortExpression;
            }
        }

        public int Compare(Version a, Version b)
        {
            int retVal = 0;
            switch (_sortColumn)
            {
				case "VersionId":
					retVal = String.Compare(a.VersionId.ToString(), b.VersionId.ToString(), StringComparison.InvariantCultureIgnoreCase);
					break;
				case "VersionNumber":
					retVal = String.Compare(a.VersionNumber.ToString(), b.VersionNumber.ToString(), StringComparison.InvariantCultureIgnoreCase);
					break;

            }
            return (retVal * (_reverse ? -1 : 1));
        }
    }
}
